Table 1 Characteristics of female twins by low and high categories of MIND and MED diet scores (n = 509)
From: Diet patterns and cognitive performance in a UK Female Twin Registry (TwinsUK)
|  | MIND diet score (0–15) | MED diet score (0–9) | ||||
|---|---|---|---|---|---|---|
|  | Low (0.0–7.5) | High (8.0–15) | p-value | Low (0–4) | High (5–9) | p-value |
Mean (SD) or n (%) | n = 285 | n = 224 | n = 280 | n = 229 | ||
Age, years | 50.9 (13.3) | 53.2 (11.4) | 0.04 | 51.2 (13.0) | 52.8 (11.8) | 0.15 |
Monozygotic twin | 104 (36) | 69 (31) | 0.18 | 91 (33) | 82 (36) | 0.43 |
Education, no qualifications | 26 (9) | 27 (12) | 0.61 | 25 (9) | 28 (12) | 0.57 |
Lower socioeconomic statusa | 45 (16) | 36 (16) | 0.93 | 44 (16) | 37 (16) | 0.89 |
Current smoker | 47 (16) | 29 (13) | 0.27 | 51 (18) | 25 (11) | 0.02 |
Body mass index, kg/m2 | 25.9 (4.7) | 24.7 (3.7) | 0.001 | 25.5 (4.5) | 25.2 (4.1) | 0.51 |
Physically inactive | 82 (29) | 47 (21) | 0.10 | 80 (29) | 49 (21) | 0.12 |
Postmenopausal | 156 (55) | 140 (63) | 0.08 | 166 (59) | 130 (57) | 0.58 |
Hypertension | 62 (22) | 68 (30) | 0.03 | 75 (27) | 55 (24) | 0.48 |
Diabetesb | 5 (3) | 6 (4) | 0.69 | 6 (4) | 5 (3) | 0.78 |
Cardiovascular diseasec | 6 (4) | 7 (5) | 0.69 | 3 (2) | 10 (6) | 0.05 |
Calories, Kcal/day | 2092 (549) | 1925 (504) |  < 0.001 | 1955 (520) | 2095 (544) | 0.003 |
Dietary fibre, g/day | 19.7 (6.9) | 22.9 (7.1) |  < 0.001 | 17.8 (6.2) | 24.5 (6.5) |  < 0.001 |
Vitamin supplement | 147 (55) | 148 (68) | 0.003 | 155 (58) | 140 (64) | 0.18 |
Diet score | 6.5 (0.93) | 8.9 (0.85) |  < 0.001 | 3.11 (1.00) | 6.02 (0.96) |  < 0.001 |